Daga ranar 11 zuwa ta 12 ga wata, an gudanar da harkoki daban daban a gundumar Mabian ta kabilar Yi mai cin gashin kanta dake birnin Leshan na kasar Sin, domin murnar cika shekaru 40 da kafuwar gundumar. Inda aka nuna manyan nasarori da kyawawan sakamakon bunkasuwar gundumar cikin shekaru 40 da suka gabata daga dukkan fannoni, ta hanyar shirya gagarumin bikin dare, da babban taro, da wake-wake da raye-raye, da kuma nune-nunen nasaroin cigaba.